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Vlad1618 [11]
3 years ago
8

1. How many moles of HNO3 will be produced when 0.65 grams of N2O5 reacts?

Chemistry
1 answer:
fiasKO [112]3 years ago
5 0
The reaction equation:
N₂O₅ + H₂O → 2HNO₃

Moles N₂O₅ = 0.65 / (14 x 2 + 16 x 5)
Moles N₂O₅ = 6.02 x 10⁻³

Molar ratio N₂O₅ : HNO₃ = 1 : 2
Moles HNO₃ = 2 x 6.02 x 10⁻³

Moles HNO₃ = 0.012 mole
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6 0
2 years ago
A sample of NaNo3 weighing 0.38g is placed in 50.0mL volumetric flask.The flask is then filled with water to the mark on the nec
snow_tiger [21]

Answer:

0.0894 M

Explanation:

So you first want to change the grams into moles (since molarity is moles solute per Liter solution).

The molar mass of NaNO3 is 84.995 g/mol, so we divide 0.38g of NaNO3 by 84.995 g/mol to get approximately 0.004471 mol NaNO3.

Now, all you have to do is to divide by the total Liters of water (your solution).

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Therefore, to get molarity, you divide 0.004471 mol by 0.050 L to get your answer of 0.0894 M.

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3 years ago
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4 years ago
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</span>Please remember to rate/thank/mark Brainliest if you see fit! Have a nice night.
4 0
4 years ago
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